Reagents
Chemicals and reagents. Fetal bovine serum (FBS) was purchased from
Hangzhou Sijiqing Biological Engineering Material, Co., Ltd. (Beijing,
China). Dulbecco’s modified Eagle’s medium (DMEM) was obtained from
Gibco (Thermo Fisher Scientific, Inc., Waltham, MA, USA). Opti-Mem
medium, Lipofectamine, dimethyl sulfoxide (DMSO) were purchased from
Sigma-Aldrich (Merck KGaA, Darmstadt, Germany). Dip2a and Dip2c
antibodies were purchased from Novus and Signalway Antibody, Inc. (USA).